The invention relates to a PC resin material with a neutral filtering effect, and a preparation method therefor and the use thereof. The PC resin material with a neutral filtering effect provided in the present invention comprises polycarbonate, an antioxidant, a dispersing agent and an additive. The PC resin material with a neutral filtering effect provided in embodiments of the present invention has a flat transmittance curve at a spectral band of 400-1000 nm, a better neutral filtering effect and the advantages of easy machinability and low costs, and can be widely applied to the preparation of optical products.

A molding produced from a heat-curable bio-based casting composition, including: (a) one or more monofunctional and one or more polyfunctional acrylic and/or methacrylic biomonomers of vegetable or animal origin, (b) one or more polymers or copolymers selected from among polyacrylates, polymethacrylates, polyols, polyesters derived from recycled material or of vegetable or animal origin, (c) inorganic filler particles of natural origin, where the proportion of the monofunctional and polyfunctional acrylic and methacrylic biomonomer(s) is 10-40% by weight, the proportion of the polymer(s) or copolymer(s) is 1-16% by weight and the proportion of the inorganic filler particles is 44-89% by weight, wherein the polymerized composition has an impact strength of from 2-5 mJ/mm.sup.2.

A 5G system comprising at least one antenna element configured to transmit and receive 5G radio frequency signals and at least one electronic component is provided. The antenna element, the electronic component, or both, comprise a polymer composition that includes a liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more. Further, the polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

A polymer composition comprising a dielectric material distributed within a polymer matrix is provided. The dielectric material has a volume resistivity of from about 0.1 ohm-cm to about 110.sup.12 ohm-cm. wherein the polymer matrix contains at least one thermotropic liquid crystalline polymer, and further wherein the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

A near infrared reflective coating composition comprising a polymer resin, a polyamide resin and a suitable solvent. Preferred embodiments for the polymer resin include epoxy resins, acrylic resins, polyester resins or polyisocyanate resins. The composition further comprises additives such as a hardener, surfactant, fumed silica, metal oxide or mixed metal oxide pigments such as titanium oxide, chromium oxide, iron oxide or aluminium oxide. A method for forming the coating is also provided.

A near infrared reflective coating composition comprising a polymer resin, a polyamide resin and a suitable solvent. Preferred embodiments for the polymer resin include epoxy resins, acrylic resins, polyester resins or polyisocyanate resins. The composition further comprises additives such as a hardener, surfactant, fumed silica, metal oxide or mixed metal oxide pigments such as titanium oxide, chromium oxide, iron oxide or aluminium oxide. A method for forming the coating is also provided.

It is known in the prior art to apply an epoxy coating including a powdered pigment onto commercial and residential floors. However, such an application does not allow the level of control over the process that one may desire. According to the present disclosure, an epoxy (resin and activator) have a powdered pigment mixed in and applied to tiles made of porcelain or other materials. By putting the tile into an oven for a predetermined time, the epoxy polymerizes under controlled conditions. Decorative processes unavailable in an on site application provide effects that are unavailable in direct application to a floor or theoretically any structural horizontal or vertical surface that cannot be manipulated/tilted to achieve the desired decorative design/effect in epoxy pigment. The resulting tiles can also be mounted on walls to provide a look that was completely unavailable using the prior art process of direct application.

A polymer composition that comprises an aromatic polyester, a laser activatable additive, and a mineral filler is provided. The mineral filler has a median size of about 35 micrometers or less and the laser activatable additive has a mean size of about 1000 nanometers or less.

A polymer composition that comprises an aromatic polyester, a laser activatable additive, and a mineral filler is provided. The mineral filler has a median size of about 35 micrometers or less and the laser activatable additive has a mean size of about 1000 nanometers or less.

Flame retardant thermoplastic compositions that are capable of being used in a laser direct structuring process. The compositions include a thermoplastic resin, a laser direct structuring additive, and a flame retardant. The compositions offer flame retardant characteristics while also substantially maintaining the mechanical properties of the base thermoplastic resin, such as the impact strength and/or HDT of the composition. The compositions can be used in a variety of applications such as personal computers, notebook and portable computers, cell phone and other such communications equipment.